---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-038079"
form_type: "8-K"
ticker: "MNSB"
cik: "0001693577"
company_name: "MainStreet Bancshares, Inc."
filed_at: "2021-07-27T23:59:59+00:00"
generated_at: "2026-06-30T02:14:28.718897+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# MainStreet Bancshares appoints Rafael E. DeLeon to Board of Directors

## Summary
- Board size expanded to 10; Mr. DeLeon appointed effective July 21, 2021 to fill vacancy.
- Mr. DeLeon retired after 30+ years as a national bank examiner with the OCC, most recently Director of Banking Relations.
- Currently SVP of Industry Engagement at Ncontracts, a risk management and compliance firm.
- Expected to serve on Compensation and Nominating committees.
- No arrangements or related-party transactions disclosed.

## SEC filing metadata
- accession: 0001564590-21-038079
- form_type: 8-K
- ticker: MNSB
- cik: 0001693577
- company_name: MainStreet Bancshares, Inc.
- filed_at: 2021-07-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1693577/000156459021038079/0001564590-21-038079-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1693577/000156459021038079/mnsb-8k_20210721.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-038079
- JSON: https://secwatch.observer/filing/0001564590-21-038079.json
- Plain text: https://secwatch.observer/filing/0001564590-21-038079.txt

## Key facts
- Executive change
  Rafael E. DeLeon was appointed as Director at MainStreet Bancshares, Inc..
  - Action: appointed
  - Role: Director
  source text: On July 21, 2021, the Board of Directors, upon the recommendation of the Nominating Committee, announced that, effective as of that date, the size of the Board was increased to ten members and Rafael E. DeLeon was appointed a member of the Board to fill the vacancy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1693577/000156459021038079/0001564590-21-038079-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.